Bug#685108: linux-image-3.2.0-3-amd64: Error message on each boot: [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed

[Cesare Leonardi <celeonar@gmail.com>]

Package: src:linux
Followup-For: Bug #685108

I see the same message on every boot but the system looks functional.
I have a Sandy Bridge too (G640T) with an Intel board (DH1CR).
Dmesg attached.

Cesare.

-- System Information:
Debian Release: 7.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash